:root {
    /* 🌞 浅色主题 */
    color-scheme: light;
}

@media (prefers-color-scheme: dark) {
    :root {
        /* 🌙 深色主题 */
        color-scheme: dark;
    }
}

html,
body {
    height: 100%;
    width: 100%;
    padding: 0;
    margin: 0;
}
